862
WWUS75 KSLC 091652
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
1052 AM MDT Sun Aug 9 2026

UTZ101-102-104-105-100600-
/O.CON.KSLC.XH.W.0005.000000T0000Z-260810T0600Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Northern Wasatch Front-Salt Lake Valley-
Including the following locations - Sandy, Dugway, West Jordan,
Vernon, Tooele, Salt Lake City, Park Valley, Wendover, Ogden,
Bountiful, and Grantsville
1052 AM MDT Sun Aug 9 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Dangerously hot conditions with temperatures up to 100 with
  little overnight relief.

* WHERE...Great Salt Lake Desert and Mountains, Northern Wasatch
  Front, Salt Lake Valley, and Tooele and Rush Valleys.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

UTZ123-124-131-100300-
/O.CON.KSLC.XH.W.0005.000000T0000Z-260810T0300Z/
Lower Washington County-Zion National Park-Glen Canyon Recreation
Area/Lake Powell-
Including the following locations - Springdale, Hurricane, St
George, Ivins, Big Water, and Bullfrog
1052 AM MDT Sun Aug 9 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* WHAT...Dangerously hot conditions with temperatures up to 109.

* WHERE...Glen Canyon Recreation Area/Lake Powell, Lower Washington
  County, and Zion National Park.

* WHEN...Until 9 PM MDT this evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

UTZ103-106-107-116-100600-
/O.CON.KSLC.HT.Y.0007.000000T0000Z-260810T0600Z/
Eastern Box Elder County-Utah Valley-Cache Valley/Utah Portion-
Eastern Juab/Millard Counties-
Including the following locations - Scipio, Provo, Payson,
Snowville, Smithfield, Lehi, Brigham City, Logan, Nephi, and Fillmore
1052 AM MDT Sun Aug 9 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

* WHAT...Temperatures up to 98 with little relief overnight.

* WHERE...Eastern Juab/Millard Counties, Cache Valley/Utah Portion,
  Eastern Box Elder County, and Utah Valley.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Hot temperatures may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/saltlakecity.

For information on potential travel impacts visit
http://udottraffic.utah.gov

JAC